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ABSTRACT

AN OUTPUT DISPLAY TERMINAL WHICH INCLUDES AN ADDRESSABLE MESSAGE BUFFER FOR STORING CHARACTERS TO BE DISPLAYED ON THE SCREEN OF THE TERMINAL, THE TERMINAL RESPONDS TO A DATA STREAM WHICH INCLUDES A REPEAT TO ADDRESS (RTA) BUFFER CONTROL ORDER, A STOP ADDRESS (A1, A2) AND A SPECIFIED ALPHAMERIC OR NULL CHARACTER. IN EXECUTING THE ORDER, THE SPECIFIED CHARACTER IS STORED IN ALL BUFFER LOCATIONS STARTING AT THE CURRENT BUFFER ADDRESS AND ENDING AT BUT NOT INCLUDING THE SPECIFIED STOP ADDRESS, WITH THIS SINGLE ORDER, A SPECIFIED CHARACTER MAY BE DISPLAYED IN   SUCCESSIVE DISPLAY POSITIONS OR A SUCCESSION OF NULLS, BLANKS OR SPACES MAY BE INSERTED FOLLOWING THE LAST SIGNIFICANT CHARACTER OF A DISPLAY FIELD.

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED OCTOBER 30, 1973 i lulu rs lPJI MS Eur out STREAM n J08 lllLEi ll MAKERTM r 12 An output display terminal which includes an addressable message bufier for storing characters to be displayed on the screen of the terminal. The terminal responds to a data stream which includes a repeat to address [RTA] butler control order, a stop address [A1, A2] and a specified alphameric or null character. In executing the order, the specified character is stored in all butler locations starting at the current buffer address and ending at but not including the specified stop address. With this single order, a specified character may be displayed in successive display positions or a succession of nulls, blanks or spaces may be inserted following the last significant character of a display field.

Oct. 30, 1973 F. 'M. HARTMANN ET AL T915,012

COMPUTER OUTPUT DI SPLAY Filed NOV. 13, 1972 8 Sheets-Sheet 1 DATA PROCESSING FIG-i SYSTEM 12L TRANSMISSION DATA MULTIPLEXER CONTROL /14 CHANNEL UNIT SET D 5 INTERFACE DISPLAY SET STATION H62 54 3a 44 A MESSAGE LINE 52 BUFFER BUFFER 3 v J40 1NPUT-OUTPUT W50 CHARACTER DIGITAL M CONTROL UNIT GENERATOR A SERIALIZER 42 INTERFACE 3 .I 40 cHARAcTERs q THIS FIGUREM L|NE1 I L |NE-2 i i g I a l l i I i 1 I 5 z i 1 w; LINE12 i t; w Lu 225 w w g wanna-Inca Eg Oct. 30, 1973 F. M. HARTMANN ET AL T9l5,0l2

COMPUTER OUTPUT DISPLAY 8 Sheets-Sheet 3 Filed NOV. 13, 1972 10:: 13105 wifiw m 0 H Oct. 30, 1973 M HARTMANN ET AL T915,012

COMPUTER OUTPUT DISPLAY 8 Sheets-Sheet 5 Filed Nov. 13, 1972 233 wwwg E75 EZWEZ mdE RE OH 9::

Oct. 30, 1973 F. M. HARTMANN ET AL T915,012

COMPUTER OUTPUT DI SPLAY 8 Sheets-Sheet 6 Filed Nov. 13, 1972 555052: E13 53%? fizz E52;

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Oct. 30, 1973 F. M. HARTMANN ET AL T915,0l2

COMPUTER OUTPUT DI S PLAY Filed NOV. 13, 1972 8 Sheets-Sheet DATA STREAM SBA T AI 2? A SPACE B SPACE 29 s E f E L [PjNAMEI[U]A B SEE PT 5 0 [@SALARYHEHZOO g [mos TITLEI[U]WRITER 2 5| I 5 0 [PIPHONE AfifisaaY-mzl 0 FP A PT 52 U w R R H- EUA AI 54 9 J a T 

